Assertion :Resistance of 50W bulb is greater than that of 100 W. Reason: Resistance of bulb is inversely proportional to rated power.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
$P = \frac{V^{2}}{R}$
If $V$ is same only then
$P \propto \frac{1}{R}$
Both assertion Reason statement will be correct only when voltage is same for both bulb.

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(a) Both assertion and reason are correct and the reason is correct explanation of assertion
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(c) Assertion is correct, but reason is incorrect
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(e) Assertion is incorrect but reason is correct.

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Assertion :Resistance of 50W bulb is greater than that of 100 W. Reason: Resistance of bulb is inversely proportional to rated power.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for AssertionP=V2RIf V is same only thenP∝1RBoth assertion Reason statement will be correct only when voltage is same for both bulb.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
$P = \frac{V^{2}}{R}$
If $V$ is same only then
$P \propto \frac{1}{R}$
Both assertion Reason statement will be correct only when voltage is same for both bulb.